package org.neuedu.chapter04_0617;

public class ArrayDemo03 {
    public static void main(String[] args) {
        int[] test = {1, 2, 3};
        System.out.println(test);
        int[][] arr = {
                {1, 2, 3},
                {4, 5},
                {6, 7, 8, 9, 0}
        };
        System.out.println(arr.length);// 3
        System.out.println(arr[0]);
        System.out.println(arr[1]);
        System.out.println(arr[2]);
        System.out.println(arr[0][0]); // 1
        System.out.println(arr[2][3]); // 9
        System.out.println(arr[2].length);// 5
    }
}
